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Known Issues - Red5 Pro Server


  • Server Release 9.0.0 does not run on CentOS. If you must use CentOS, please download 8.2.0 with JDK 8 support
  • With server >= 8.0.0, for localhost testing, it may be necessary to set force.local.ip= to your machine's IP address in conf/webrtc-plugin.properties
  • H264 is not supported by Firefox on Macs with the new M1 chip, so VP8 must be enabled if you want to publish via Firefox on those devices
  • If using the Orientation Post Processor, note that the Android SDK recordings take approximately 3 times the duration of the file to convert to MP4; modify the cloudstorage-plugin.properties file, setting the max.transcode.minutes= value to allow for this timing
  • IMPORTANT: Because of different libcrypto library versions supported between CentOS and Ubuntu, if you are using CentOS it is necessary to modify {red5pro}/conf/webrtc-plugin.properties, and change openssl.enabled=true to openssl.enabled=false

  • There are threading issues on Ubuntu 18 which may lead to OOM errors at more than 1,400 connections (Server Version 9.0.0 runs on Ubuntu 20.04 which does not exhibit the same issues)
  • For Safari < v12, iOS SDK broadcast cannot be viewed with WebRTC in Mac or iOS Safari
  • With the release of Microsoft Edge Chromium, we have dropped support for older versions of Edge
  • Some issues with some versions of Safari WebRTC <==> Firefox WebRTC
  • If you are upgrading your server/webapp from a version older than 5.4.0, please see these details on including a websocket filter to your webapp.